mirror of https://github.com/YosysHQ/yosys.git
84 lines
2.5 KiB
C++
84 lines
2.5 KiB
C++
/*
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* yosys -- Yosys Open SYnthesis Suite
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*
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* Copyright (C) 2014 Clifford Wolf <clifford@clifford.at>
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* Copyright (C) 2014 Johann Glaser <Johann.Glaser@gmx.at>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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*/
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#include "kernel/yosys.h"
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USING_YOSYS_NAMESPACE
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PRIVATE_NAMESPACE_BEGIN
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struct WriteFileFrontend : public Frontend {
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WriteFileFrontend() : Frontend("=write_file", "write a text to a file") { }
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virtual void help()
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{
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// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
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log("\n");
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log(" write_file [options] output_file [input_file]\n");
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log("\n");
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log("Write the text fron the input file to the output file.\n");
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log("\n");
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log(" -a\n");
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log(" Append to output file (instead of overwriting)\n");
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log("\n");
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log("\n");
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log("Inside a script the input file can also can a here-document:\n");
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log("\n");
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log(" write_file hello.txt <<EOT\n");
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log(" Hello World!\n");
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log(" EOT\n");
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log("\n");
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}
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virtual void execute(std::istream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design*)
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{
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bool append_mode = false;
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std::string output_filename;
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size_t argidx;
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for (argidx = 1; argidx < args.size(); argidx++)
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{
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if (args[argidx] == "-a") {
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append_mode = true;
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continue;
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}
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break;
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}
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if (argidx < args.size() && args[argidx].rfind("-", 0) != 0)
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output_filename = args[argidx++];
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else
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log_cmd_error("Missing putput filename.\n");
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extra_args(f, filename, args, argidx);
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FILE *of = fopen(output_filename.c_str(), append_mode ? "a" : "w");
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char buffer[64 * 1024];
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while (1) {
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f->read(buffer, sizeof(buffer));
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if (f->gcount() <= 0)
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break;
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fwrite(buffer, f->gcount(), 1, of);
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}
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fclose(of);
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}
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} WriteFileFrontend;
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PRIVATE_NAMESPACE_END
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